$5.00
MOSTEK MK4564N-20 16-pin DRAM Dynamic RAM Memory 64Kx1 IC 200ns
4096-Word by 1-Bit Static RAM, 250 nanoSecond
2048-Bit Static MOS RAM with 1/0 Ports and Timer 40DIP
Standard EPROM Memory IC with UV Erasable Window 28DIP<...